Yuzu, a high school girl, unable to suppress her feelings for a perverted older man, runs away from home to start cohabiting at his place. The man has a fully dominant personality, loving to strangle, restrain, perform deep throat, and spank her—indulging in both affection and harsh treatment. Drawn to his deviant side, Yuzu spends each day undergoing training while enjoying intense pleasure, living in a loving yet controlled relationship. Between the man and Yuzu, a strange bond forms—filled with sweet affection and overwhelming dominance.